#include <iostream>
#include <bits/ostream.tcc>
//
// Created by Asus on 2025/5/12.
//

#define DEBUG 1

#if DEBUG
    #define LOG(msg) std::cout << "[DEBUG] " << msg << std::endl
#else
    #define LOG(msg) // 空实现，不打印日志
#endif


int main(char *argv[]) {
    /* main */

    /**
     * main
     * main
     * main
     */
    LOG("程序启动"); // 当 DEBUG=1 时打印日志，否则忽略

    // main
    std::cout << "Hello World";
    std::cout << " 02!"; // Hello World
    std::cout << std::endl;

    std::cout << "02";
    return 0;
}

